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Broadcast Licenses, Goodwill and Other Intangible Assets (Changes to Goodwill) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Broadcast Licenses, Goodwill and Other Intangible Assets
Goodwill, Beginning Balance	$ 19,209
Acquisitions	27
Goodwill, Ending Balance	$ 19,236

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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